CENSUS OF DISTRIBUTION OF BRITISH MOLLUSCA. 32 1 



Limax flavus L. Eighteen counties. 



Eng.S. I 5 6 II— 13 15 20 21 33 37 38. Eng.N. 

 56 61 62 64 66. Irel. 145. No records for Wales or 

 Scotland. 



Gibraltar. 

 L. cinereo-niger Wolf. Two counties. 



Eng.N. 64. .Scotl. 107. No records for England S., 

 Wales, or Ireland. 

 L. maxim us Auct. Thirty-seven counties. 



Eng.S. I 5 11—13 15—17 21 24 32—34 36—38. 

 Wales 49 50. Eng.N. 53 55 — 59 '61 — 66 69. Scotl. 

 75 81 90 107. Irel. 114 145. 

 Lehmannia arborum Bouch. Twenty-eight counties. 



Eng.S. I 2 II — -13 18 20 23 27 33 34 37 38. Wales 

 48 — 50. Eng. N. 56 57 62 — 66. Scotl. 81 107 109. 

 Irel. 115 145. 

 Succinea putris L. Forty-five counties. 



Eng.S. o 6 11—17 19—21 24 29 31—35 38 39. 

 Wales 41 44 45 49—52. Eng.N. 53 5456—59 61—67 

 69. Scotl. 73 89 90. No records from Ireland. 



Bordeaux ; Burgos ; Salzburg. Muscatine, Iowa, as 

 S. ovalis Say. 

 S. elegans Risso. Twenty-five counties. 



Eng.S. o 6 10 II 13 15 — 17 20 21 23 32 — 34. 

 Wales 44 45 50. Eng. N. 56—58 61 — 64. Scotl. 73. 

 No records from Ireland. 



Columbia, Pa. ; Westbrook, Me., High Bluff, Carberry 

 and Brandon, Manitoba. 

 S. virescens Morel. Five counties. 



Eng. S. 12 16 21 37 38. No records from Eng. N., 

 Wales, Scotland, or Ireland. 

 S. oblonga Drap. Three counties. 



Wales 41. Scotl. 84. Irel. 147. No records for 

 England. 



St. Moritz (Switzerland). 



